<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <span th:fragment="hello">
        <script th:src="@{webjars/jquery/3.5.1/jquery.min.js}"></script>
        <script th:src="@{webjars/bootstrap/4.4.1-1/js/bootstrap.min.js}"></script>
        <link th:href="@{webjars/bootstrap/4.4.1-1/css/bootstrap.min.css}" rel="stylesheet">

    </span>
</head>
<body>

</body>
</html>